I may christen you may christen he may christen we may christen you may christen they may christen
V-ing form
I may be christening you may be christening he may be christening we may be christening you may be christening they may be christening
Perfect
I may have christened you may have christened he may have christened we may have christened you may have christened they may have christened
V-ing perfect
I may have been christening you may have been christening he may have been christening we may have been christening you may have been christening they may have been christening
Negation
Simple form
I may not christen you may not christen he may not christen we may not christen you may not christen they may not christen
V-ing form
I may not be christening you may not be christening he may not be christening we may not be christening you may not be christening they may not be christening
Perfect
I may not have christened you may not have christened he may not have christened we may not have christened you may not have christened they may not have christened
V-ing perfect
I may not have been christening you may not have been christening he may not have been christening we may not have been christening you may not have been christening they may not have been christening
Interrogative form
Simple form
may I christen? may you christen? may he christen? may we christen? may you christen? may they christen?
V-ing form
may I be christening? may you be christening? may he be christening? may we be christening? may you be christening? may they be christening?
Perfect
may I have christened? may you have christened? may he have christened? may we have christened? may you have christened? may they have christened?
V-ing perfect
may I have been christening? may you have been christening? may he have been christening? may we have been christening? may you have been christening? may they have been christening?
Interro-negative form
Simple form
may I not christen? may you not christen? may he not christen? may we not christen? may you not christen? may they not christen?
V-ing form
may I not be christening? may you not be christening? may he not be christening? may we not be christening? may you not be christening? may they not be christening?
Perfect
may I not have christened? may you not have christened? may he not have christened? may we not have christened? may you not have christened? may they not have christened?
V-ing perfect
may I not have been christening? may you not have been christening? may he not have been christening? may we not have been christening? may you not have been christening? may they not have been christening?